MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105fd9dccea3---61759081757.pdf In PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/43847309508.pdfIn PDF document text
- http://zhjpharm.com/upload/files/7080393375.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/fec44c512a11a72d971e1550b2340816/mekogiserufivavinukefoz.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/rasokago.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/45495174295.pdfIn PDF document text
- http://riasztoszolnok.hu/admin/fck_upload/file/65130741303.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/6et6dvc83ugdfdms3ahgl17lb7/98166620932.pdfIn PDF document text
- https://panama4d.com/contents//files/55649208743.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/xopuwode.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/27577074399.pdfIn PDF document text
- https://gaziemirkentkonseyi.com/upload/files/mezusulikekisumo.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/lm1p69vjghe3k6lfgp2hjo6s5j/64005196281.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160702f60d1954---13521141764.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/3416191174.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/84350036889.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//60049764524.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e21107e30---vakenedajugufos.pdfIn PDF document text
- http://www.southpointinstitutehowrah.com/admin/uploads/file/datifazamiwanomujila.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/b8fb0726f81f357ae4b2dba2ce1d0bf7/17027028161.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/ef3e69f9faae456b779b181a9110c6ac/41509078865.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/dc0158dd49926c1e2df1a9efbb1c4ad6/vunudisatajavam.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/5nptuc69vfs4cthiib0t777ee2/10367795129.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/68246007333.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=netgear+ac1750+modem+router+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000debe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEBE | 17972 bytes |
SHA-256: 756f8dda374e03080faadb7bcf5f6083f9b5f991dfbf9cb0c208827011d51f4f |
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font_01_sfnt_off00010d58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001256f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1256F | 10888 bytes |
SHA-256: fcd438f230f860b1b3d1c6de8f70b73d6a785989683dc4e567eca9c638e1c05b |
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